#include <iostream>
using namespace std;

int main(){
    char temp[100][100];
    char a[1];
    int n;
    cin >> n;
    gets(a);
    for (int i = 0; i < n; i++) {
        gets(temp[i]);
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; temp[i][j] != '\0'; j++){
            if(temp[i][j+1] == '\0'){
                if (temp[i][j] == '0' || temp[i][j] == '2' || temp[i][j] == '4' || temp[i][j] == '6' || temp[i][j] == '8') {
                    cout << "even" << endl;
                    break;
                }
                else if (temp[i][j] == '1' || temp[i][j] == '3' || temp[i][j] == '5' || temp[i][j] == '7' || temp[i][j] == '9') {
                    cout << "odd" << endl;
                    break;
                }
            }

        }
    }
    return 0;
}


